Eric Nicholas K's answer to LockB's Secondary 4 A Maths Singapore question.

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Q18
LockB
LockB
3 years ago
we can automatically cancel out 2e^x^2+3x from the entire equation as it does not satisfy the requirement of y<0?
Eric Nicholas K
Eric Nicholas K
3 years ago
“2” and “e^anything” can be ignored since these are positive and will make no contribution to the signage of the expression.